package edu.sctu.practice.class01.wulixia.month09_wlx.assign03.two;

/**
 * Created by wulixia on 2015/11/4.
 * Circle类是父类，
 */
public class Circle {
    protected double radius;

    public Circle() {
        radius = 1.0;
    }

    public Circle(double r) {
        radius = r;
    }

    public double getRadius() {
        return radius;
    }

    public void setRadius(double radius) {
        this.radius = radius;
    }

    public double findArea() {
        return radius * radius * Math.PI;
    }

    public boolean equals(Circle circle) {
        return this.radius == circle.getRadius();
    }

    public String toString() {
        return "圆的半径 = " + radius;
    }

}

